Science

Tuesday, 21 July 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Amber
A trade route between the North Sea, the Baltic Sea to the Mediterranean Sea, was called an Amber Road.
It was established to transport amber between Northern and Southern Europe.
lava
Magma is formed in deep parts of the Earth's crust.
It is formed in the Earth's upper mantle, a layer of the crust that extends to a depth of about 400 ...
Cosmos
The Solar System is located in the Milky Way.
Our galaxy ranks rather average, its diameter is 100 to 120 thousand light years. Perhaps a unique f ...
Phobos
Some even speculate that this body may not come from a nearby asteroid belt, but from the outer regions of the Solar System.
The most recent theory proposes that both Phobos and Deimos shared a common progenitor that shattered upon collision with another object, forming two Mars satellites.
Deimos
The Swift Crater is 1 km in diameter while the Voltaire Crater is 1.9 km in diameter.
They are located close to each other in the northern hemisphere, right near the prime meridian.
Graphene
The Koreans are currently the most advanced in the industrial production of graphene.
Graphene can be used to produce new types of screens (touch or liquid crystal), solar panels, and co ...
Silver
Silver has the lowest contact resistance among all metals.
Titan
The atmospheric pressure at the surface is 146.7 kPa (1.5 bars), which makes it 45% higher than on Earth.
Titan’s atmosphere is made of 98.4% nitrogen, 1.4% methane, and 0.2% hydrogen, and extends up to 975 ...
Aurora
To the naked eye, we see the Aurora Borealis and Aurora Australis lights as greenish and white. Full colors can only be seen in the photos.
This is because, in low light, the eye registers light with rods that are not color sensitive but respond only to light.
Fungi
Fungi have developed a high degree of metabolic versatility, which allows them to use a variety of organic substances for growth.
In some species, the pigment melanin may play a role in extracting energy from ionizing radiation such as gamma radiation.